Company lists · Data refreshed November 2026

Top 21 International non-profits based in Vienna, Austria

RevenueBase identified 56 company matches for international non-profits associated with Vienna, Austria as of November 2026 and tracks 769 professional contacts across them, including 197 with verified work emails. Across Austria, Vienna is the largest hub for this category.

This list covers company matches for international non-profits associated with Vienna, Austria, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed November 6, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Nov 6, 2026 How this list was built
56Companies
769Contacts tracked
197Verified emails
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The 21 largest international non-profits based in Vienna, Austria

Ranked by team size
Top 21 of 56 company matches for international non-profits based in Vienna, Austria, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchVienna, AustriaHQ recorded Nov 6, 202611-50129 contacts →

Exact match

“ICEP was established in 1996 by private individuals in Vienna.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchVienna, AustriaHQ recorded Nov 6, 202651-20057 contacts →

Exact match

“Der WWF Österreich ist mit seinen rund 90 Mitarbeiter*innen eingebettet in ein weltweites Netzwerk an Expertinnen und Experten, die sich tagtäglich dafür einsetzen, kommenden…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchVienna, AustriaHQ recorded Nov 6, 202651-20036 contacts →

Exact match

“Seit 45 Jahren tätig für eine nachhaltige globale Entwicklung, Menschenrechte und faire Arbeitsbedingungen Durch schulische und außerschulische Bildungsarbeit, die Herausgabe des…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchVienna, AustriaHQ recorded Nov 6, 202651-20033 contacts →

Exact match

“Wir betreuen kleine und große Non-Profit-Organisationen, damit ihnen mehr Zeit für die inhaltliche Arbeit bleibt.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchVienna, AustriaHQ recorded Nov 6, 202611-5030 contacts →

Exact match

“CARE Österreich, Verein für Entwicklungszusammenarbeit und humanitäre Hilfe, wurde 1986 gegründet.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchVienna, AustriaHQ recorded Nov 6, 202611-5028 contacts →

Exact match

“Ground Truth Solutions (GTS) is an international non-governmental organisation that helps people affected by crises influence the design and implementation of aid.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchVienna, AustriaHQ recorded Nov 6, 202611-5022 contacts →

Exact match

“Die ÖGUT ist eine unabhängige Non-Profit-Organisation, die sich seit mehr als 40 Jahren für eine nachhaltige Ausrichtung von Wirtschaft und Gesellschaft einsetzt.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchVienna, AustriaHQ recorded Nov 6, 202611-5019 contacts →

Exact match

“Our mission at tech2impact is to catalyse purposeful innovation.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchVienna, AustriaHQ recorded Nov 6, 202611-5012 contacts →

Exact match

“EDUCULT is an independent, non-profit institute that combines research and practice.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchVienna, AustriaHQ recorded Nov 6, 202611-5011 contacts →

Exact match

“Make Me Smile International (MMSI) is an Austrian, German, Swiss and Luxembourg based, non-profit organization and fundraising association, founded in Austria in 2008, where it…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchVienna, AustriaHQ recorded Nov 6, 20261-1010 contacts →

Exact match

“Ennovent was a business innovations catalyst for sustainability.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchVienna, AustriaHQ recorded Nov 6, 20261-109 contacts →

Exact match

“Fremde werden Freunde is a non-profit organization based in Vienna, Austria, working in the fields of intercultural dialogue, integration and social participation of refugees…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchVienna, AustriaHQ recorded Nov 6, 20261-108 contacts →

Exact match

“Der gemeinnützige Verein Grenzenlos ist eine überparteiliche Organisation (politisch und konfessionell unabhängige Nichtregierungsorganisation – NGO) mit Sitz in Wien.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchVienna, AustriaHQ recorded Nov 6, 20261-107 contacts →

Exact match

“Who we are The IZ is an independent non-profit organization that has been committed to diversity, dialogue and education - since 1987.*Diversity: We see social diversity as an…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchVienna, AustriaHQ recorded Nov 6, 202611-507 contacts →

Exact match

“Austrian Association of Inclusive Society (AIS) is a non-governmental organization based in Vienna, Austria, dedicated to interdisciplinary research that promotes innovation and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchVienna, AustriaHQ recorded Nov 6, 20261-106 contacts →

Exact match

“npoAustria (vormals NPO-Institut) ist seit über 20 Jahren für NPOs tätig.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchVienna, AustriaHQ recorded Nov 6, 20261-105 contacts →

Exact match

“Wir sind der unabhängige und überparteiliche Partner, der die Umsetzung von Projekten mit einer positiven Wirkung auf die Gesellschaft sicherstellt.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchVienna, AustriaHQ recorded Nov 6, 202611-504 contacts →

Exact match

“We work together to radically accelerate the pace of change and support the transformation of future-oriented organizations and their individuals.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchVienna, AustriaHQ recorded Nov 6, 20261-104 contacts →

Exact match

“Aus dem Wunsch, Kinder mittels Bildung zu einer besseren Zukunft zu verhelfen entstand NOAN - ein soziales Unternehmenskonzept, welches direkten, fairen Handel sowie nachhaltiges…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchVienna, AustriaHQ recorded Nov 6, 20261-102 contacts →

Exact match

“At ENV, we are dedicated to empowering organizations to navigate the complexities of sustainability.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchVienna, AustriaHQ recorded Nov 6, 20261-101 contacts →

Exact match

“Break out of your daily work routine, travel and get to know exciting countries, cultures and committed people, develop personally and make a positive contribution to our future.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 21 of 56 international non-profits based in Vienna, Austria

See the full list, filter by size, metro and specialty, and access 197 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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International non-profits based in Vienna, Austria at a glance

As of Nov 6, 2026
25.6%Verified-email coverage
13.7Average contacts per company
1-10Median size (employees)
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
31
11-50
17
51-200
5
201-500
1
10001+
1

Email recency for this list is measured across the whole Austria list rather than for Vienna, so it is reported there. Company counts and contact totals on this page are exact for Vienna, over 56 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies
Company records associated with Vienna, Austria whose business descriptions match “international non-profits” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
Ranking
Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification
Every displayed company carries at least one verified work email. RevenueBase tracks 197 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on November 6, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “international non-profits”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many international non-profits are there based in Vienna, Austria?

RevenueBase identified 56 company matches for international non-profits associated with Vienna, Austria as of November 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

ICEP tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city in Austria has the most international non-profits?

Vienna leads Austria with 56 company records, followed by Innsbruck (5) and Graz (4).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 197 professional contacts with verified work emails tracked across these 56 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on November 6, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.